YH

Ying Chi David Hong

A( Active Tools International (Hk): 1 patents #1 of 3Top 35%
Overall (2021): #202,653 of 548,734Top 40%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10975976 Safety valve — 2021-04-13